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Date: Thu, 17 Jan 2002 18:06:03 -0300
From: salvador <salvador@inti.gov.ar>
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To: Raul Sanchez Sanchez <raul@dif.um.es>
CC: Paul Lorenz <p1orenz@yahoo.com>, Jeremy Lumbroso <j.lumbroso@noos.fr>,
        ignacio@adesx.com, rubio@adesx.com,
        Jorge Carminati <jcarminati@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: Driver via ac97 sound problem (VT82C686) Compaq Presario 700
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Raul Sanchez Sanchez wrote:

>         But my question is, later i set up 1886 chip, does via inicialization
> change my configuration of it?

Try putting some printk in the function that sets the codec registers.

> If i try to print all the register of the
> 1886 in via_card_init_proc it fails :( and i can't be sure that via code
> doesn't change them.

No if the routine to write the registers isn't called *and* the initialization
doesn't reset the codec.
The first can be verified with printks, for the second examine the code. But
via_init_one is the one to check, it calls all the initializations.

> As you can see, the register are well written in ad1886, so this are my
> question,
> ---- Does via code inicialization change any value of ad1886?
> ---- Is possible that ad1886 works fine and the problem were with via
> chipset?

Jeff Garzik should know better ;-)
The only strange thing is the code is for the A version of the chip (desktop?)
and you have the B version (mobile?).
I got the 82C686A data sheet, but not the one for 82C686B.

SET

--
Salvador Eduardo Tropea (SET). (Electronics Engineer)
Visit my home page: http://welcome.to/SetSoft or
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Alternative e-mail: set@computer.org set@ieee.org
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